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(E)-3-Chloro-N-[(2-eth-oxy-naphthalen-1-yl)methyl-idene]aniline.

ABSTRACT: In the title compound, C(19)H(16)ClNO, the dihedral angle between the naphthalene ring system and the chloro-benzene ring is 61.90 (10)° and the C-N-C-C torsion angle is 174.6 (2)°. The mol-ecular structure is stabilized by an intra-molecular C-H⋯N hydrogen bond. The crystal structure features π-π stacking inter-actions [centroid-centroid distances = 3.7325 (17) and 3.8150 (17) Å].

SUBMITTER: Vesek H

PROVIDER: S-EPMC3414968 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(E)-N-[(2-Eth-oxy-naphthalen-1-yl)methyl-idene]-2-ethyl-aniline.

Project description:In the title compound, C(21)H(21)NO, the dihedral angle between the naphthalene ring system and the benzene ring is 64.61?(6)°. The mol-ecular structure is stabilized by an intra-molecular C-H?N hydrogen bond.

| S-EPMC3515269 | biostudies-literature

(E)-(2,5-Difluoro-benz-yl)[(2-eth-oxy-naphthalen-1-yl)methyl-idene]amine.

Project description:In the title mol-ecule, C20H17F2NO, which adopts an E conformation with respect to the imine C=N double bond, the mean planes of the naphthalene ring system and the difluoro-phenyl ring form a dihedral angle of 85.82?(7)°. An intra-molecular C-H?N hydrogen bond occurs. In the crystal, weak C-H?F hydrogen bonds link the mol-ecules into zigzag chains along [010].

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3-Chloro-N'-[(2-meth-oxy-naphthalen-1-yl)methyl-idene]benzohydrazide.

Project description:The title compound, C(19)H(15)ClN(2)O(2), was prepared by the reaction of 2-meth-oxy-1-naphthaldehyde with 3-chloro-benzohydrazide in methanol. The dihedral angle between the benzene ring and the naphthyl ring system is 69.0?(3)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains along the c axis. The crystal packing exhibits ?-? inter-actions, as indicated by distances of 3.768?(3)?Å between the centroids of the naphthyl rings of neighbouring mol-ecules.

| S-EPMC3051782 | biostudies-literature

4-Chloro-N-[(E)-(3,4-dimeth-oxy-phen-yl)methyl-idene]aniline.

Project description:The asymmetric unit of the title compound, C(15)H(14)ClNO(2), contains two mol-ecules with significantly different conformations: the dihedral angles between the 4-chloro-aniline and 3,4-dimeth-oxy-phenyl (excluding C atoms) moieties are 19.68?(7) and 45.54?(4)°. In the crystal, the mol-ecules are linked by C-H?O hydrogen bonds and weak C-H?? inter-actions.

| S-EPMC3008132 | biostudies-literature

Crystal structure of (E)-N-[(2-meth-oxy-naphthalen-1-yl)methyl-idene]-3-nitro-aniline.

Project description:In the title compound, C18H14N2O3, the dihedral angle between the naphthalene ring system and the benzene ring is 59.99 (13)°. A short intra-molecular C-H⋯N contact closes an S(6) ring. The nitro group is disordered over two orientations in a statistical ratio. In the crystal, weak C-H⋯O hydrogen bonds and very weak π-π stacking inter-actions [centroid-centroid separation = 3.9168 (17) Å] are observed.

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(4-Chloro-benzoyl)(2-eth-oxy-7-methoxy-naphthalen-1-yl)methanone.

Project description:In the title compound, C(20)H(17)ClO(3), the naphthalene and benzene rings form an inter-planar angle of 83.30?(8)°. The conformation around the central C=O group is such that the C=O bond vector forms a larger angle to the plane of the naphthalene ring than to the plane of the benzene ring, viz. 55.8?(2)° versus 15.8?(2)°. The 4-chloro-phenyl groups form a centrosymmetric ?-? inter-action, with a centroid-centroid distance of 3.829?(1)?Å and a lateral offset of 1.758?Å. An inter-molecular C-H?O inter-action is formed between the 4-chloro-phenyl group and the O atom of a neighbouring meth-oxy group, and two very weak C-H?? contacts are present.

| S-EPMC2968497 | biostudies-literature

(E)-4-Chloro-N-[4-(methyl-sulfon-yl)benzyl-idene]aniline.

Project description:In the crystal structure of the title compound, C(14)H(12)ClNO(2)S, the mol-ecules display a trans conformation with respect to the C=N double bond. The dihedral angle between the methyl-sulfonyl benzene and chloro-benzene rings is 59.59?(8)°. The crystal packing is stabilized by weak C-H?O inter-actions and by ?-? stacking inter-actions between inversion-related methyl-sulfonyl benzene rings [centroid-centroid distance = 3.8579?(11)?Å].

| S-EPMC3254507 | biostudies-literature

(3-Chloro-phen-yl){2-eth-oxy-5-[(Z)-hydroxy(phen-yl)methyl-idene]cyclo-penta-1,3-dien-1-yl}methanone.

Project description:The title compound, C(21)H(17)ClO(3), which crystallizes as one of two possible oxo/hy-droxy-fulvene prototropic tautomers, possesses a strong intra-molecular O-H?O hydrogen bond that closes a seven-membered ring. The dihedral angles between the central five-membered ring and two pendant rings are 55.05?(9) and 44.51?(10)°. The crystal packing is characterized by weak inter-molecular C-H?O inter-actions between an H atom of the oxymethyl-ene unit and the carbonyl group of an adjacent mol-ecule, resulting in formation of chains of mol-ecules along the a axis.

| S-EPMC3275002 | biostudies-literature

3-Chloro-N'-[(2-hy-droxy-naphthalen-1-yl)methyl-idene]benzohydrazide.

Project description:The title compound, C(18)H(13)ClN(2)O(2), was prepared by the reaction of 2-hy-droxy-1-naphthaldehyde with 3-chloro-benzohydrazide in methanol. An intra-molecular O-H?N hydrogen bond influences the mol-ecular conformation; the benzene ring and naphthyl ring system form a dihedral angle of 17.1?(3)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains propagated in [101].

| S-EPMC3051679 | biostudies-literature

2-Fluoro-N'-[(2-meth-oxy-naphthalen-1-yl)methyl-idene]benzohydrazide.

Project description:The asymmetric unit of the title compound, C(19)H(15)FN(2)O(2), contains two mol-ecules, A and B, in which the dihedral angles between the ring systems are 46.4?(2) and 17.24?(14)°, respectively. In the crystal, mol-ecules are linked into [010] chains of alternating A and B species by N-H?O hydrogen bonds.

| S-EPMC3344106 | biostudies-literature

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